{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1021BN-15VXI","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C1021BN-15VXI","canonicalUrl":"https://icboms.com/infineon/CY7C1021BN-15VXI","factsUrl":"https://icboms.com/api/mcp/products/CY7C1021BN-15VXI","rawCanonicalId":null},"summary":{"shortDescription":"Infineon Technologies CY7C1021BN-15VXI, 1Mbit (64K x 16) Asynchronous SRAM, Parallel Interface, 15 ns Access Time, 4.5V ~ 5.5V Supply, -40°C ~ 85°C, Surface Mount 44-BSOJ (0.400\", 10.16mm Width), Tube","salesMarkdown":"## Memory architecture and bus timing The CY7C1021BN-15VXI is a 1Mbit asynchronous SRAM organized as 64K x 16 bits, accessed through a parallel interface with a 15 ns access time and a matching 15 ns write cycle time — this determines the bus-margin budget for any legacy 5 V controller or DSP that expects a zero-wait-state memory window. ## Temperature grade and package — where it fits The 44-BSOJ package (0.400-inch body width, 10.16 mm) is a surface-mount SOJ footprint — the J-bend leads save board area versus a DIP, but the pitch still allows two-layer PCB routing without micro-vias. Infineon lists the CY7C1021BN-15VXI as Obsolete. The last-time-buy window has closed; no further production runs are scheduled. Buyers must source from existing distributor stock or the open market.","metaTitle":"CY7C1021BN-15VXI Infineon 1Mbit Async SRAM 15ns 44-SOJ","metaDescription":"CY7C1021BN-15VXI from Infineon Technologies: 1Mbit (64K x 16) asynchronous SRAM, 15 ns access time, 4.5V-5.5V supply, -40°C to 85°C, 44-SOJ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Memory (DRAM / SRAM / Flash / EEPROM)"],"specifications":{"Mfr":"Infineon Technologies","Series":"-","Package":"Tube","Technology":"SRAM - Asynchronous","Access Time":"15 ns","Memory Size":"1Mbit","Memory Type":"Volatile","Memory Format":"SRAM","Mounting Type":"Surface Mount","Package / Case":"44-BSOJ (0.400\\\", 10.16mm Width)","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Memory Interface":"Parallel","Voltage - Supply":"4.5V ~ 5.5V","Base Product Number":"CY7C1021","Memory Organization":"64K x 16","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"44-SOJ","Write Cycle Time - Word, Page":"15ns"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/293a298b3f99a4ba20ebba5e359086e3.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY7C1021BN-15VXI/alternatives.json"},"ai":{"faq":[{"question":"What are the exact specifications of CY7C1021BN-15VXI?","answer":"Memory size: 1Mbit (64K x 16). Technology: Asynchronous SRAM. Interface: Parallel. Access time: 15 ns. Write cycle time: 15 ns. Supply voltage: 4.5V to 5.5V. Operating temperature: -40°C to 85°C. Package: 44-BSOJ (0.400\", 10.16mm width), surface mount."},{"question":"Does CY7C1021BN-15VXI have a direct cross reference or equivalent from other manufacturers?","answer":"The evidence does not list a specific cross-reference MPN. However, the 64K x 16 asynchronous SRAM in a 44-SOJ package with 15 ns access time and 5 V supply is a standard JEDEC pinout — several vendors (e.g., ISSI, Alliance Memory, Renesas) offer functionally equivalent parts. Verify the exact timing and package footprint against your PCB before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C1021BN-15VXI","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C1021BN-15VXI when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}